Schedule IV - Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of period	$ 0	$ 0	$ 0
Mortgage loans acquired during the current period	13,250	0	0
Repayments on mortgage note receivable	(250)	0	0
Balance at end of period	$ 13,000	$ 0	$ 0